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Inventories - Narrative (Details) - USD ($)	12 Months Ended
	Aug. 29, 2020	Aug. 31, 2019
Inventory Disclosure [Abstract]
Decrement of LIFO inventory layers	$ 5,200,000	$ 0

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- Definition

The effect of liquidating LIFO (last in first out) inventory layers on income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SAB Topic 11.F)
-URI http://asc.fasb.org/extlink&oid=27011343&loc=d3e100079-122729

+ Details

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Period Type:	duration

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- References

No definition available.

+ Details

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